Noninvasive assessment of the activity of the shoulder girdle muscles using ultrasound real-time tissue elastography

Ishikawa, Hiroaki; Muraki, Takayuki; Sekiguchi, Yoshinori; Ishijima, Takahiro; Morise, Shuhei; Yamamoto, Nobuyuki; Itoi, Eiji; Izumi, Shin Ichi

doi:10.1016/j.jelekin.2015.07.010

Cited by 36 publications

(18 citation statements)

References 29 publications

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“…More importantly, if the reference range of the MD elasticity is established in healthy individuals using SWE, it may be helpful to further assess MD muscle strain. However, there is little research on the changes of MD elasticity during different shoulder abduction using SWE [9][10]. Moreover, studies on both the reference ranges of the normal MD elasticity and its potential factors are extremely lacking.…”

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Quantitative assessment of middle deltoid elasticity during different shoulder abduction using shear wave elastography: A preliminary study

Wang¹,

Xiang²,

Zhu³

et al. 2020

Preprint

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Background: To measure the middle deltoid (MD) muscle elasticity during different shoulder abduction in healthy participants using shear wave elastography (SWE) and analyze the factors that may affect the MD elasticity, and then to establish the reference ranges of the normal MD elasticity during different shoulder abduction. Methods: Mean shear wave velocity (SWV) of the MD in 70 healthy participants were evaluated at left and right shoulder 0° and 90° abduction (L0°, R0°, L90°, R90°) using SWE, and potential factors that may affect MD elasticity including gender, MD thickness, age, body mass index were analyzed. Normal reference ranges of MD elasticity were calculated using normal distribution method. Results: Mean SWV was statistically significantly higher at L90° than L0°, higher at R90° than R0°, higher at R0° than L0°, and higher at R90° than L90° (all p< 0.0001). Mean SWV was significantly higher in males at both L0° (p< 0.05) and R0° (p< 0.01) than in females. Neither MD thickness, age nor body mass index influenced MD elasticity. Normal reference ranges of the MD elasticity were 2.4-3.1 m/s in males and 2.2-2.9 m/s in females at L0° and 2.5-3.3 m/s in males and 2.4-3.2 m/s in females at R0°, and were 4.9-6.7 m/s at L90°, 5.2-7.1 m/s at R90° for both males and females. Conclusions: Our results suggest that the normal MD elasticity at L0°, R0°, L90°, R90° are different and gender should be considered when determining the reference ranges of normal MD elasticity at L0° and R0° with SWE. These values may provide quantitative baseline measurements for assessment of the normal MD elasticity.

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Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Quantitative assessment of middle deltoid elasticity during different shoulder abduction using shear wave elastography: A preliminary study

Wang¹,

Xiang²,

Zhu³

et al. 2020

Preprint

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show abstract

“…Of these, freehand sonoelastography has been shown to quantify the strain in tissues by measuring displacement under external mechanical compression (Niitsu et al, 2011). Using this technique, previous studies have assessed the material properties of shoulder muscles (Ishikawa et al, 2015, Muraki et al, 2015). Although studies have shown good feasibility and reliability of the technique, freehand compression with a consistent load still remains a technical challenge, with amplitude and/or velocity of loading compression yet to be established (Cantisani et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Quantitative assessment of rotator cuff muscle elasticity: Reliability and feasibility of shear wave elastography

Hatta

Giambini

Uehara

et al. 2015

Journal of Biomechanics

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Ultrasound imaging has been used to evaluate various shoulder pathologies, whereas, quantification of the rotator cuff muscle stiffness using shear wave elastography (SWE) has not been verified. The purpose of this study was to investigate the reliability and feasibility of SWE measurements for the quantification of supraspinatus (SSP) muscle elasticity. Thirty cadaveric shoulders (18 intact and 12 with torn rotator cuff) were used. Intra- and inter-observer reliability was evaluated on an established SWE technique for measuring the SSP muscle elasticity. To assess the effect of overlying soft tissues above the SSP muscle, SWE values were measured with the transducer placed on the skin, on the subcutaneous fat after removing the skin, on the trapezius muscle after removing the subcutaneous fat, and directly on the SSP muscle. In addition, SWE measurements on 4 shoulder positions (0°, 30°, 60°, and 90° abduction) were compared in those with/without rotator cuff tears. Intra- and inter-observer reliability of SWE measurements were excellent for all regions in SSP muscle. Also, removing the overlying soft tissue showed no significant difference on SWE values measured in the SSP muscle. The SSP muscle with 0° abduction showed large SWE values, whereas, shoulders with large-massive tear showed smaller variation throughout the adduction-abduction positions. SWE is a reliable and feasible tool for quantitatively assessing the SSP muscle elasticity. This study also presented SWE measurements on the SSP muscle under various shoulder abduction positions which might help characterize patterns in accordance to the size of rotator cuff tears.

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“…Surface electrodes may not be able to track the same area of the target muscle if skin displacement is large. For the scapular muscles, alternative methods such as fine-wire electrodes [40] and ultrasound elastography [41] may be useful to realize the measurement of muscle activity in a full range of shoulder elevation. Third, there was some potential for bias in the statistical analysis because the authors who performed the statistical analyses were not blinded to the purpose of the study.…”

Section: Discussionmentioning

confidence: 99%

Age‐Related Changes in Morphology and Function of Scapular Muscles in Asymptomatic People

Morise

Muraki

Ishikawa

et al. 2017

PM&R

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Noninvasive assessment of the activity of the shoulder girdle muscles using ultrasound real-time tissue elastography

Cited by 36 publications

References 29 publications

WITHDRAWN: Quantitative assessment of middle deltoid elasticity during different shoulder abduction using shear wave elastography: A preliminary study

WITHDRAWN: Quantitative assessment of middle deltoid elasticity during different shoulder abduction using shear wave elastography: A preliminary study

Quantitative assessment of rotator cuff muscle elasticity: Reliability and feasibility of shear wave elastography

Age‐Related Changes in Morphology and Function of Scapular Muscles in Asymptomatic People

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